64695453 has 16 divisors (see below), whose sum is σ = 88375296. Its totient is φ = 42078960.

The previous prime is 64695439. The next prime is 64695469. The reversal of 64695453 is 35459646.

It is not a de Polignac number, because 64695453 - 2⁹ = 64694941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64695493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64788 + ... + 65778.

It is an arithmetic number, because the mean of its divisors is an integer number (5523456).

Almost surely, 2^64695453 is an apocalyptic number.

It is an amenable number.

64695453 is a deficient number, since it is larger than the sum of its proper divisors (23679843).

64695453 is a wasteful number, since it uses less digits than its factorization.

64695453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504.

The product of its digits is 388800, while the sum is 42.

The square root of 64695453 is about 8043.3483699265. The cubic root of 64695453 is about 401.4436438794.

The spelling of 64695453 in words is "sixty-four million, six hundred ninety-five thousand, four hundred fifty-three".